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Technical Data Sheet
PartsTable / COMPONENT / 2604P11
2604P11 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 0.6250 INCHES NOMINAL IN, outside_diameter: 3.8125 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0312 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0302, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2604P11
NSN: 3110-00-100-0302
FSC: 3110
CAGE: 27618 — TAYLOR MACHINE WORKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.6250 INCHES NOMINAL IN
outside_diameter3.8125 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0312 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0302
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2604P11 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BACKFACE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 3.8125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.6250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0312 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER3.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
3821Interchangeable
interchangeable cross-reference
interchangeable
14204Interchangeable
interchangeable cross-reference
interchangeable
73458Interchangeable
interchangeable cross-reference
interchangeable
32-50178-9Interchangeable
interchangeable cross-reference
interchangeable
203-5920-9Interchangeable
interchangeable cross-reference
interchangeable
382AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2604P11?
2604P11 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 2604P11?
There are 23 known substitutes for 2604P11: 3821, 14204, 73458 and 20 more. Substitute compatibility should be verified for your specific system.
Is 2604P11 still available?
2604P11 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026